Traction shifting fork of conduit type sliding contact line

Abstract

The utility model provides a traction shifting fork of a conduit type sliding contact line, which relates to the field of sliding contact line shifting forks and comprises a connecting plate, a movable plate and a fork arm, the connecting plate is hinged to the upper end of the movable plate, the fork arm is rotatably connected to the lower end of the movable plate, and a first groove hole penetrating through a plate body is formed in the surface of the connecting plate. A locking assembly is connected between the fork arms, protective sleeves are connected to the outer sides of the fork arms, the locking assembly comprises a first pull rod and a second pull rod which are connected with the two fork arms, the inner side end of the first pull rod is connected with a first connecting plate, and the inner side end of the second pull rod is connected with a second connecting plate. And meanwhile, a locking bolt is connected between the first connecting plate and the second connecting plate. The sliding contact line traction shifting fork solves the problems that the distance between fork arms of an existing sliding contact line traction shifting fork cannot be adjusted, the overall traction load of a sliding contact line is increased, and use is inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of sliding contact line fork, in particular to a traction fork for a conduit type sliding contact line. Background Art

[0002] At present, there is friction between the original fork of the sliding line and the contact surface of the current collector, the self-weight of the fork is relatively large and it presses on the current collector. After retrieval, the prior art (publication number: CN211892867U), which records "a current collector fork with convenient replacement, belonging to the field of current collector supporting equipment, characterized in that: it includes fork arms, counterweight blocks, fork fixing rods, sleeves, angle irons and hinges; there are two fork arms, which are placed in parallel and fixed at the upper end of the fork fixing rod, and the front and rear ends of the fork arms are respectively located in the front and rear directions of the fork fixing rod; the sleeve is sleeved on the front section of the fork arm; two counterweight blocks are fixedly arranged at the rear end of the fork arm; the angle iron is installed on the side surface of the fork fixing rod, and the hinge is installed at the lower end of the fork fixing rod; mounting holes are respectively arranged on the angle iron and the hinge. Compared with the prior art, it has the characteristic of reducing equipment wear."

[0003] Although the current collector fork in the prior art has achieved the effects of reducing wear and being convenient for disassembly and assembly, there are still some deficiencies: the distance between the fork arms of the existing current collector traction fork is generally fixed and non-adjustable, resulting in inconvenience in applying to current collectors of different widths; secondly, although the involved configuration blocks balance the weight of the fork arms, they increase the overall weight of the fork, and after the fork is connected to the slide rail and driven by the slide rail, it will increase the sliding wear at the connection with the slide rail, and the traction load of the entire sliding contact line will increase, thereby increasing the load on the slide rail drive and resulting in energy consumption. Summary of the Utility Model

[0004] In order to overcome the defects existing in the prior art, the present utility model provides a traction fork for a conduit type sliding contact line to solve the problems that the distance between the fork arms of the existing sliding contact line traction fork is non-adjustable and the overall traction load of the sliding contact line is increased, resulting in inconvenient use.

[0005] To achieve the above object, a traction fork for a conduit type sliding contact line is provided, including: a connecting plate, a movable plate and fork arms. The connecting plate is hinged to the upper end of the movable plate, and the fork arms are rotatably connected to the lower end of the movable plate. A first slot hole penetrating the plate body is formed on the surface of the connecting plate, and a second slot hole penetrating the plate body is formed on the surface of the movable plate at the same time. A locking assembly is connected between the fork arms, and a protective sleeve is connected to the outside of the fork arms. The locking assembly includes a first pull rod and a second pull rod connected to the two fork arms. The inner end of the first pull rod is connected to a first connecting plate, and the inner end of the second pull rod is connected to a second connecting plate. At the same time, a locking bolt is connected between the first connecting plate and the second connecting plate.

[0006] Further, the connecting plate, the movable plate and the fork arm form a Z-shaped structure on the side in the use state, and the fork arm is clamped in the waist limiting grooves on both sides of the current collector.

[0007] Further, the fork arm is rotationally inserted at the bottom of the movable plate, and a jack is provided at the middle end of the movable plate on one of the fork arms, and a plug rod is connected to the corresponding end of the other fork arm, and the plug rod is inserted into the jack in a matching manner.

[0008] Further, the first connecting plate and the second connecting plate are provided as a pair of parallel rectangular plate structures, and the locking bolt is connected through the centers of the first connecting plate and the second connecting plate.

[0009] Further, a guiding lead screw is connected between the first connecting plate and the second connecting plate, and the guiding lead screw respectively slides through the first connecting plate and the second connecting plate, and a nut is screwed on the outer end of the guiding lead screw.

[0010] Further, the protective sleeve is rotationally sleeved on the outside of the fork arm, and the protective sleeve includes an outer wear-resistant layer, and a buffer layer is provided inside the outer wear-resistant layer, and an inner wear-resistant layer is provided inside the buffer layer.

[0011] Further, two horizontally opposite connecting holes are provided on the surface of the protective sleeve, and correspondingly threaded holes are provided on the outer wall of the fork arm, and bolts are provided in the connecting holes to be connected to the threaded holes.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. During use, the connecting plate is installed on the traction slide rail of the sliding contact wire, then the locking bolt and the nut on the guiding lead screw are loosened, the distance between the two fork arms is adjusted to a position where the waist of the current collector can be just clamped, then the locking bolt is tightened and fixed by the nut, and then the two guiding lead screws are fixed, so that the installation between the fork and the current collector can be completed, realizing that the distance between the fork arms of the fork can be adjusted to adapt to current collectors of various specifications and sizes, and improving the practicability of the device;

[0014] 2. By using multiple groups of slot holes provided on the connecting plate and the movable plate, the overall weight of the fork is reduced, thereby not only reducing the pressure on the current collector, but also reducing the load on the traction slide rail, thus reducing the movement wear at the connection with the slide rail, and reducing the energy consumption of the traction slide rail;

[0015] 3. By using the outer wear-resistant layer, buffer layer and inner wear-resistant layer included in the protective sleeve, there is a buffer protection effect and a wear-resistant effect between the fork arm and the relay housing. Then when the side of the protective sleeve in contact with the current collector is severely worn, by rotating the protective sleeve, the outer part of the protective sleeve is rotated and replaced to the part in contact with the current collector, and then fixed by bolts. Description of the Drawings

[0016] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0017] Figure 2 This is a schematic diagram of the top view cross-section structure of the connection component of an embodiment of the present utility model.

[0018] Figure 3 This is a schematic diagram of the cross-section structure of the connection between the fork arm and the movable plate of an embodiment of the present utility model.

[0019] Figure 4 This is a schematic diagram of the side view cross-section structure of the protective sleeve of an embodiment of the present utility model.

[0020] In the figure: 1. Connection plate; 11. First slot; 2. Movable plate; 21. Second slot; 3. Fork arm; 31. Insertion hole; 32. Insertion rod; 4. Locking assembly; 41. First pull rod; 42. First connecting plate; 43. Second connecting plate; 44. Guide screw rod; 45. Locking bolt; 46. Second pull rod; 5. Protective sleeve; 51. Outer wear-resistant layer; 52. Buffer layer; 53. Inner wear-resistant layer; 54. Connection hole; 55. Threaded hole. Detailed implementation manners

[0021] Referring to Figures 1 to 4 as shown, the present utility model provides a traction fork of a conduit type sliding contact wire, including: a connection plate 1, a movable plate 2 and a fork arm 3. The connection plate 1 is hinged to the upper end of the movable plate 2, and the fork arm 3 is rotatably connected to the lower end of the movable plate 2. A first slot 11 penetrating the plate body is formed on the surface of the connection plate 1. At the same time, a second slot 21 penetrating the plate body is formed on the surface of the movable plate 2. A locking assembly 4 is connected between the fork arms 3, and a protective sleeve 5 is connected to the outside of the fork arms 3. The locking assembly 4 includes a first pull rod 41 and a second pull rod 46 connected to the two fork arms 3. The inner end of the first pull rod 41 is connected to a first connecting plate 42, and the inner end of the second pull rod 46 is connected to a second connecting plate 43. At the same time, a locking bolt 45 is connected between the first connecting plate 42 and the second connecting plate 43.

[0022] In this embodiment, the connection plate 1, the movable plate 2 and the fork arm 3 constitute the main body structure of the traction fork of the conduit type sliding contact wire involved in the present application.

[0023] Specifically, both the connection plate 1 and the movable plate 2 are made of steel-aluminum alloy. The steel material therein strengthens the pulling strength of the fork, and at the same time, the aluminum material relatively reduces the overall weight of the fork.

[0024] As Figure 1 and Figure 3As shown, the connecting plate 1, the movable plate 2 and the fork arm 3 form a Z-shaped structure on the lower side in the use state, and the fork arm 3 is clamped in the waist limiting grooves on both sides of the current collector. The fork arm 3 is rotatably inserted at the bottom of the movable plate 2. One of the fork arms 3 is provided with a jack 31 at the end in the movable plate 2, and the corresponding end of the other fork arm 3 is connected with a plug rod 32. At the same time, the plug rod 32 is inserted into the jack 31 in a matching manner.

[0025] Specifically, the fork arm 3 is clamped at the waist on both sides of the current collector but not connected at the part. By setting the jack 31 and the plug rod 32, the two fork arms 3 can be linearly unfolded and contracted at the bottom of the movable plate 2, while maintaining the rotational connection with the movable plate 2.

[0026] It should be noted that the fork arm 3 remains in an approximately horizontal state after being connected to the current collector, and at the same time, the movable plate 2 remains in a vertical state.

[0027] As Figure 2 shown, the first connecting plate 42 and the second connecting plate 43 are set as a pair of parallel rectangular plate structures, and the locking bolt 45 is connected through the centers of the first connecting plate 42 and the second connecting plate 43. A guiding lead screw 44 is connected between the first connecting plate 42 and the second connecting plate 43, and the guiding lead screw 44 respectively slides through the first connecting plate 42 and the second connecting plate 43, and a nut is screwed on the outer end of the guiding lead screw 44.

[0028] Specifically, there are two guiding lead screws 44. One end of one is fixed on the inner side wall of the first connecting plate 42, and one end of the other is fixed on the inner side wall of the second connecting plate 43, and at the same time, it slides through the connecting plate on the opposite side.

[0029] As a preferred implementation manner, by setting the guiding lead screw 44, the stability of the approaching and separating actions of the two connecting plates is enhanced, and at the same time, the state of the two connecting plates on the fork arm 3 is kept stable through the pull rod in the locked state.

[0030] As Figure 4 shown, the protective sleeve 5 is rotatably sleeved on the outer side of the fork arm 3, and the protective sleeve 5 includes an outer wear-resistant layer 51. A buffer layer 52 is provided inside the outer wear-resistant layer 51, and an inner wear-resistant layer 53 is provided inside the buffer layer 52. Two horizontally opposite connection holes 54 are opened on the surface of the protective sleeve 5. At the same time, threaded holes 55 opposite to them are opened on the outer wall of the fork arm 3, and bolts are provided in the connection holes 54 to be connected with the threaded holes 55.

[0031] Specifically, the center lines of the connection holes 54 and the threaded holes 55 both pass through the axis line of the fork arm 3, and the two groups of connection holes 54 are oppositely arranged at 180 degrees in the circumferential direction.

[0032] As a preferred implementation manner, through the technical solution, it is convenient to rotate and adjust the protective sleeve 5, and thus it is convenient to change the friction position with the current collector.

[0033] During use, install the connecting plate on the traction slide rail of the sliding contact wire, then loosen the locking bolt and the nut on the guiding lead screw, adjust the distance between the two fork arms to a position where it can just clamp the waist of the current collector, then tighten the locking bolt and fix it with the nut, and then fix the two guiding lead screws, thus completing the installation between the fork and the current collector, enabling the distance between the fork arms of the fork to be adjustable to adapt to current collectors of various specifications and sizes, improving the practicability of the device; by using multiple groups of slots opened on the connecting plate and the movable plate, the overall weight of the fork is reduced, which not only reduces the pressure on the current collector, but also reduces the load on the traction slide rail, thereby reducing the movement wear at the connection with the slide rail and reducing the energy consumption of the traction slide rail.

[0034] The traction fork of the conduit type sliding contact wire of the present utility model can effectively solve the problem that the existing traction fork of the sliding contact wire has an unadjustable distance between the fork arms and increases the overall traction load of the sliding contact wire, resulting in inconvenient use. Based on the existing traction fork technology of the conduit type sliding contact wire, it is realized that by adjusting the distance between the fork arms, it is convenient to apply to current collectors of different specifications and sizes, and it is convenient to reduce the overall weight of the fork, reduce wear and traction load.

Claims

1. A traction fork of a duct-type busbar, comprising: A connecting plate (1), a movable plate (2) and a fork arm (3), wherein the connecting plate (1) is hinged at the upper end of the movable plate (2), and the fork arm (3) is rotatably connected to the lower end of the movable plate (2), characterized in that: a first slot hole (11) penetrating the plate body is opened on the surface of the connecting plate (1), and a second slot hole (21) penetrating the plate body is opened on the surface of the movable plate (2), a locking assembly (4) is connected between the fork arms (3), and a protective sleeve (5) is connected to the outer side of the fork arm (3), the locking assembly (4) includes a first pull rod (41) and a second pull rod (46) connected to the two fork arms (3), the inner end of the first pull rod (41) is connected to the first connecting plate (42), and the inner end of the second pull rod (46) is connected to the second connecting plate (43), and a locking bolt (45) is connected between the first connecting plate (42) and the second connecting plate (43).

2. The traction fork of the duct type busbar according to claim 1, characterized in that: The connecting plate (1), the movable plate (2) and the fork arm (3) are in a Z-shaped structure on the lower side when in use, and the fork arm (3) is clamped in the waist limiting grooves on both sides of the collector.

3. The traction fork of the duct type busbar according to claim 1, characterized in that: The fork arms (3) are rotatably plugged into the bottom of the movable plate (2), and one of the fork arms (3) is provided with a plug hole (31) at its end in the movable plate (2), and a plug rod (32) is connected to the corresponding end of the other fork arm (3), and the plug rod (32) is plugged into the plug hole (31) in a matching manner.

4. The traction fork of the duct type busbar according to claim 1, characterized in that: The first connecting plate (42) and the second connecting plate (43) are configured as a pair of parallel rectangular plate structures, and the locking bolts (45) penetrate and connect the centers of the first connecting plate (42) and the second connecting plate (43).

5. The traction fork of the duct type busbar according to claim 1, characterized in that: A guide screw (44) is connected between the first connecting plate (42) and the second connecting plate (43), and the guide screw (44) slides through the first connecting plate (42) and the second connecting plate (43) respectively, and a nut is screwed on the outer end of the guide screw (44).

6. The traction fork of the duct type busbar according to claim 1, characterized in that: The protective sleeve (5) is rotatably sleeved on the outer side of the fork arm (3), and the protective sleeve (5) comprises an outer wear-resistant layer (51), a buffer layer (52) is provided on the inner side of the outer wear-resistant layer (51), and an inner wear-resistant layer (53) is provided on the inner side of the buffer layer (52).

7. The traction fork of the duct type busbar according to claim 1, characterized in that: The surface of the protective sleeve (5) is provided with two horizontally opposite connecting holes (54), and the outer wall of the fork arm (3) is provided with a threaded hole (55) opposite thereto, and a bolt is provided in the connecting hole (54) to connect with the threaded hole (55).

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